Hdy .308 190 gn sub -x

[zeke]

Are currently shown as being in stock at Precision Reloading. These have been tough to find since introduced as reloading components.

 

[Nevada Ed]

I see this is used for the 300 Black;

On one site a guy used N120 at 10.6 for 1049fps
a second load was 1680 at 11.2 grs for 1067fps.
OAL was 2.07"

Both were accurate but I have no idea of the pressures.
Double check this data since it is word of mouth.

Good luck on your quest.